package com.xuecheng.system.service.impl;

import cn.hutool.crypto.digest.DigestUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.xuecheng.commons.enums.ErrorCode;
import com.xuecheng.commons.model.dto.LoginDto;
import com.xuecheng.commons.model.vo.LoginVo;
import com.xuecheng.commons.model.vo.ResponseResult;
import com.xuecheng.commons.utils.JwtUtils;
import com.xuecheng.system.domain.User;
import com.xuecheng.system.mappers.UserMapper;
import com.xuecheng.system.service.UserService;
import com.xuecheng.web.exception.BusinessException;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import java.util.HashMap;
import java.util.Map;

@Service
public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements UserService {
    //用户登录
    @Override
    public ResponseResult login(LoginDto dto) {

        //获取dto中的数据
        String phone = dto.getUsername();//用户名及电话
        String password = dto.getPassword();//密码
        String utype = dto.getUtype();//用户类型
        //非空判断
        if (StringUtils.isEmpty(phone) || StringUtils.isEmpty(password) || StringUtils.isEmpty(utype)){
            throw new BusinessException(ErrorCode.PARAMSERROR);
        }
        //根据手机号和用户类型查询用户
        LambdaQueryWrapper<User> qw = new LambdaQueryWrapper<>();
        qw.eq(User::getPhone,phone);
        qw.eq(User::getUtype,utype);
        User user = this.getOne(qw);
        if (user==null){
            throw new BusinessException(ErrorCode.LOGINERROR);
        }
        //比较密码是否一致
        password = DigestUtil.md5Hex(password);//对密码继续加密
        if (!password.equals(user.getPassword())){
            throw new BusinessException(ErrorCode.LOGINERROR);
        }
        //生成token
        Map map =new HashMap();
        map.put("userId",user.getId());
        map.put("companyId",user.getCompanyId());
        map.put("companyName",user.getCompanyName());
        String token = JwtUtils.createToken(map, 240);//存入token的数据，超时时间
        //构造返回值
        LoginVo vo = new LoginVo();
        vo.setAccess_token(token);
        vo.setUsername(user.getName());

        return ResponseResult.okResult(vo);
    }
}
